You'll never find an bling aluminum purple tire caps so shiny and durable like this item!!! Feature: Anti-Leakage: The inside rotating thread structure tire valve stem caps can fastened tightly with tire stem. Abti-Rust: These purple tire caps 4 pack can effectively prevent the valve from being covered with dust/snow/rainwater. extend the life of the tire. Strong and Sturdy: The tire nozzle caps don't fade or break up during car washes The purple car tire caps add the perfect touch of bling to tires, you will get MANY COMPLIMENTS! Specifications: Color: White Material: Aluminum alloy + Rhinestone Drilling Process: Handmade Size: 0.86"x 0.55"(H*W) Universal Fits: all standard American (Schrader) valves Package 4 * Purple tire valve stem cover *** If you have any question please let me know,we are provide best service for you ***